CN106756214B - A kind of copper-based bimetal bearing material of antifriction and preparation method thereof - Google Patents

A kind of copper-based bimetal bearing material of antifriction and preparation method thereof Download PDF

Info

Publication number
CN106756214B
CN106756214B CN201611146786.3A CN201611146786A CN106756214B CN 106756214 B CN106756214 B CN 106756214B CN 201611146786 A CN201611146786 A CN 201611146786A CN 106756214 B CN106756214 B CN 106756214B
Authority
CN
China
Prior art keywords
copper
molybdenum disulfide
powder
steel plate
antifriction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611146786.3A
Other languages
Chinese (zh)
Other versions
CN106756214A (en
Inventor
徐元海
尹延国
徐红宴
曾庆勤
张国涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rongcheng Sea Sliding Bearing Co
Original Assignee
Rongcheng Sea Sliding Bearing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rongcheng Sea Sliding Bearing Co filed Critical Rongcheng Sea Sliding Bearing Co
Priority to CN201611146786.3A priority Critical patent/CN106756214B/en
Publication of CN106756214A publication Critical patent/CN106756214A/en
Application granted granted Critical
Publication of CN106756214B publication Critical patent/CN106756214B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • C22C9/02Alloys based on copper with tin as the next major constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/105Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17Metallic particles coated with metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/04Making alloys by powder metallurgy
    • C22C1/05Mixtures of metal powder with non-metallic powder
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/10Alloys containing non-metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides whether added as such or formed in situ
    • C22C32/0084Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides whether added as such or formed in situ
    • C22C32/0089Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides whether added as such or formed in situ with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/1851Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
    • C23C18/1872Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
    • C23C18/1886Multistep pretreatment
    • C23C18/1893Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/38Coating with copper
    • C23C18/40Coating with copper using reducing agents
    • C23C18/405Formaldehyde
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/06Sliding surface mainly made of metal
    • F16C33/10Construction relative to lubrication
    • F16C33/1095Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/06Sliding surface mainly made of metal
    • F16C33/12Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121Use of special materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/06Sliding surface mainly made of metal
    • F16C33/14Special methods of manufacture; Running-in
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • B22F2007/042Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00Metallic materials; Alloys
    • F16C2204/10Alloys based on copper
    • F16C2204/12Alloys based on copper with tin as the next major constituent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00Metallic materials; Alloys
    • F16C2204/10Alloys based on copper
    • F16C2204/18Alloys based on copper with bismuth as the next major constituent

Abstract

The invention discloses copper-based bimetal bearing material of a kind of antifriction and preparation method thereof, and it is using steel plate as matrix, in surface of steel plate formed with acid bronze alloy antifriction layer;, by the use of copper-plated graphite, copper facing molybdenum disulfide and bismuth as lubricant component, copper is matrix material for it, addition nickel, tin, phosphorus, copper-steel bimetal bearing material is prepared for by way of being sintered in steel plate.Present invention collaboration plays the excellent antifriction quality of molybdenum disulfide, graphite and bismuth element antisticking effect, and material friction coefficient is up to 0.10~0.15;Gained bearing material anti-friction wear-resistant is good, and is free of poisonous Element Lead, to environment without any pollution.

Description

A kind of copper-based bimetal bearing material of antifriction and preparation method thereof
Technical field
The present invention relates to unleaded Cu-based sliding bearing material field, specifically a kind of more copper-based bimetallic axles of lubricant component Corbel material and preparation method thereof.
Background technology
Molybdenum disulfide and graphite are all good kollags.The crystal structure of graphite determines it on crystal surface With very strong adsorption capacity, while the moisture in air can also be adsorbed, form one layer of graphite moisture film, and oxide-film is formed together Lubricating film, there is good lubrication.But the lubrication of graphite is dominated by adsorbed gas, when adsorbed gas disappearance, lubrication The lubrication of action deprivation, i.e. graphite disappears in a vacuum.By comparison, molybdenum disulfide still has friction under vacuum conditions Coefficient is small, heat endurance is good, yield strength is high and premium properties, the graphite such as radioresistance are applied in combination with molybdenum disulfide, exists good Good collaboration lubrication.
Nontoxic low-melting-point metal element bismuth is close with lead, and copper, aluminium are immiscible, copper is present in the form of free state, aluminium closes Jin Zhong, smaller on alloy substrate influence, the bismuth caused by frictional heat melts and formed in friction surface with anti-in friction process The viscous, film of antifriction function, so as to improve the friction and wear behavior of composite.
But graphite and Copper substrate wetability are poor, interface quality is poor, hole at interface cohesion be present, isolate matrix compared with To be serious, weaken the mechanical performance and tribological property of material;Molybdenum disulfide is easily aoxidized and decomposed in high temperature sintering, is produced Sulfide weakens the mechanical performance of material.Element bismuth is incorporated into copper-based bearings material and can also play antifriction, antisticking is made With, but the hardness of bismuth is more slightly higher than lead, ductility is also more slightly worse than lead, thus enables its antifriction, block resistance weaker than lead, simultaneously Because low melting point constituent element bismuth is easy to be distributed in copper alloy matrix grain boundaries in flake, when bi content is higher, more brittlement phase Aggregation easily makes it directly be come off from matrix, and reduces the antifriction of bismuth, antisticking effect, therefore bi content is necessarily constrained.
The content of the invention
The present invention is to avoid the weak point present in above-mentioned prior art, there is provided a kind of copper-based bimetallic bearing of antifriction Material and preparation method thereof.
The present invention is solves technical problem, using following technical scheme:
The invention discloses a kind of copper-based bimetal bearing material of antifriction, its feature is:It is using steel plate as matrix, in steel Plate surface is formed with acid bronze alloy antifriction layer;The composition of each raw material of the acid bronze alloy antifriction layer by mass percentage is:Nickel 1 ~3%, tin 5~10%, bismuth 1~8%, molybdenum disulfide 0.5~10%, phosphorus 0.1~0.5%, graphite 1~10%, copper 75~ 90%.
The acid bronze alloy antifriction layer be there is copper coating by copper-Sn-Bi atomized powder, surface molybdenum disulfide powder, After surface has powdered graphite and the mixing of other constituent elements of copper coating, surface of steel plate is laid on, then fired form;
The copper-Sn-Bi atomized powder is obtained by the copper in raw material, tin and the blended melting of bismuth, atomization;The surface Molybdenum disulfide powder with copper coating is to be formed by the molybdenum disulfide in raw material through chemical plating;The surface has copper coating Powdered graphite is to be formed by the graphite in raw material through chemical plating.
In having the molybdenum disulfide powder of copper coating on the surface, the mass percent of surface copper accounts for gross mass 25%;In having the powdered graphite of copper coating on the surface, the mass percent of surface copper accounts for the 25% of gross mass.
The preparation method of the above-mentioned copper-based bimetal bearing material of antifriction comprises the following steps:
(1) each raw material is subjected to dispensing according to mass percent;
(2) copper coating is formed in molybdenum disulfide powder and powdered graphite surface by the method for chemical plating respectively;Specific step Suddenly it is:
(21) it is sensitized:It is all the chlorine that 50~75 μm of molybdenum disulfide powder and powdered graphite are respectively put into 5wt% by granularity Change in stannous acid solution, carry out 3~5min of sensitized treatment, strong stirring is imposed in activation process;
(22) activate:Molybdenum disulfide powder after sensitization and powdered graphite are respectively put into PdCl2And AgNO3Mixed solution In, carry out 3~5min of activation process, wherein PdCl2Concentration be 1~3wt%, AgNO3Concentration be 1~3wt%, activated Strong stirring is imposed in journey;
(23) coating is formed:Molybdenum disulfide powder after activation and powdered graphite are separately added into CuSO4·5H2O is as master Salt, HCHO are as reducing agent, C4H4KNa·4H2O stirs as in the chemical plating fluid of complexing agent, adds NaOH solution to adjust Between 10~13, copper facing proceeds by pH, is sufficiently stirred, and to solution turned clear, i.e., is formed in graphite and molybdenum disulfide surface Copper coating;
The formula of the chemical plating fluid is:CuSO4·5H2O 10~20g/L, C4H4KNa·4H2O 35~50g/L, HCHO 30~40g/L;PH=10~13,15~35 DEG C of temperature.
(3) copper, tin, bismuth are sequentially added in mid-frequency melting furnace, melting obtains molten metal;Molten metal is atomized, shape Into atomization slurry;Atomization slurry is deposited, dried, after screening, obtains copper-Sn-Bi atomized powder of 40~150 μm of granularity;
(4) by the copper-molybdenum disulfide powder of Sn-Bi atomized powder, surface with copper coating, stone of the surface with copper coating Behind ink powder end and the mixing of other constituent elements, uniform ground is laid on copper plated steel surface, 0.5~3mm of laying depth;
(5) steel plate after mixed powder will be laid to pass through just burning, breaking down, resintering, roll again, i.e., in surface of steel plate formed with copper-based conjunction Golden antifriction layer, obtain the copper-based bimetal bearing material of antifriction;Concretely comprise the following steps:
Just burn:By lay mixed powder after steel plate carried out in ammonolysis craft protective atmosphere it is once sintered, sintering temperature 800~ 850 DEG C, it is incubated 10~30min;
Breaking down:Steel plate after first burn is subjected to rolling smoothing;
Resintering:Steel plate after breaking down is subjected to double sintering in ammonolysis craft protective atmosphere, 800~850 DEG C of sintering temperature, protected 10~30min of temperature;
Roll again:Steel plate after resintering is subjected to finish rolling, that is, obtains the copper-based bimetal bearing material of antifriction.
Compared with the prior art, beneficial effects of the present invention are embodied in:
1st, the present invention utilizes the antifriction of molybdenum disulfide and graphite using molybdenum disulfide, graphite and bismuth as composite lubricated constituent element Characteristic and acting synergistically for the antisticking characteristic of bismuth substitute the effect of lead in copper-based bearings, and coefficient of friction is reachable under DRY SLIDING 0.08~0.15, realize the unleaded of bearing material.
2nd, the present invention realizes the metallization of nonmetallic surface, is effectively improved in molybdenum disulfide and graphite particle copper coating The wettability of molybdenum disulfide, graphite and copper alloy matrix, protects in molybdenum disulfide sintering process and does not aoxidize and decompose, and improves Interface bond strength, so as to improve the mechanics of copper-based bearings material and tribological property.
3rd, the present invention carries out atomization process to copper-Sn-Bi powder, improves the intensity of matrix, and solve bi content compared with Gao Shi, the shortcomings that aggregation of more brittlement phase easily makes it directly be peeled off from matrix.
Embodiment
With reference to embodiment, the present invention is further described.
During following embodiments are raw materials used, phosphorus powder, the particle diameter of nickel powder are 200 mesh;Copper powder, glass putty, bismuth meal and nickel powder Purity is 99.99%.
Embodiment 1:
The copper-based bimetal bearing material of the present embodiment antifriction, it is using steel plate as matrix, in surface of steel plate formed with copper-based conjunction Golden antifriction layer;The composition of each raw material of acid bronze alloy antifriction layer by mass percentage is shown in Table 1:
Table 1
Raw material Nickel Tin Bismuth Phosphorus Molybdenum disulfide Graphite Copper
Content Wt (%) 1 8 2 0.3 1 1.5 86.2
Acid bronze alloy antifriction layer is that have the molybdenum disulfide powder of copper coating, surface by copper-Sn-Bi atomized powder, surface After the powdered graphite of copper coating and the mixing of other constituent elements, surface of steel plate is laid on, then fired form;Copper-Sn-Bi atomization Powder is obtained by the copper in raw material, tin and the blended melting of bismuth, atomization;Surface have the molybdenum disulfide powder of copper coating be by Molybdenum disulfide in raw material is formed through chemical plating;It is through chemical plating by the graphite in raw material that surface, which has the powdered graphite of copper coating, Formed.In having the molybdenum disulfide powder of copper coating on surface, the mass percent of surface copper accounts for the 25% of gross mass;On surface In powdered graphite with copper coating, the mass percent of surface copper accounts for the 25% of gross mass.
The specific manufacture craft of the copper-based bimetal bearing material of antifriction is as follows:
1st, each raw material is subjected to dispensing according to the mass percent of table 1;
2nd, copper coating is formed in molybdenum disulfide powder and powdered graphite surface by the method for chemical plating respectively;
(1) it is sensitized:It is all the chlorination that 50~75 μm of molybdenum disulfide powder and powdered graphite are respectively put into 5wt% by granularity In stannous acid solution, sensitized treatment 5min is carried out, strong stirring is imposed in activation process;
(2) activate:Molybdenum disulfide powder after sensitization and powdered graphite are respectively put into PdCl2And AgNO3Mixed solution In, carry out activation process 5min, wherein PdCl2Concentration be 3wt%, AgNO3Concentration be 3wt%, imposed in activation process strong Power stirs;
(3) coating is formed:Molybdenum disulfide powder after activation and powdered graphite are separately added into CuSO4·5H2O is as master Salt, HCHO are as reducing agent, C4H4KNa·4H2O stirs as in the chemical plating fluid of complexing agent, adds NaOH solution to adjust PH is 13, and copper facing proceeds by, and is sufficiently stirred, and solution becomes clear after about 30min, i.e., forms copper in graphite and molybdenum disulfide surface Coating, taking-up are cleaned with distilled water, and drying is stand-by.
The formula of chemical plating fluid is:CuSO4·5H2O 10g/L, C4H4KNa·4H2O 50g/L, HCHO:30g/L;PH= 13,25 DEG C of temperature.
(3) copper, tin, bismuth are sequentially added in mid-frequency melting furnace, control temperature insulation melting 10 minutes, obtains at 1000 DEG C Obtain molten metal;Molten metal is atomized by High-Pressure Water caused by plunger pump, forms atomization slurry;Atomization slurry is sunk After product, drying, the screen cloth for reusing different meshes is sieved, and weeds out coarse powder, obtains particle diameter in 70~150 μm of purpose copper-tin- Bismuth atomized powder;
(4) production material specification:Gross thickness 2.5mm* alloys width 100mm, alloy layer thickness 0.5mm;
Steel prepare:From the Fine Steel Casting iron steel plate of SPCC models, the steel plate shearing opened greatly is changed and rolls into 2.5*100* 625mm, in surface degreasing, derusting, copper facing, 1 μm of copper coating thickness;
Powdering:By the copper-molybdenum disulfide powder of Sn-Bi atomized powder, surface with copper coating, surface with copper coating After powdered graphite and the mixing of other constituent elements, uniform ground is laid on the copper plated steel surface of cleaning, laying depth 0.85mm;
Just burn:By the steel plate after laying mixed powder in ammonia dissolving atmosphere N2、H2Once sintered, sintering is carried out under protective condition 850 DEG C of temperature, it is incubated 20min;
Breaking down:Steel plate after first burn is placed on cold-rolling mill and carries out rolling smoothing, is rolling to thickness 2.60mm;
Resintering:By steel plate after breaking down again in ammonia dissolving atmosphere N2、H2Double sintering, sintering temperature 850 are carried out under protective condition DEG C, it is incubated 20min;
Roll again:By steel plate finish rolling after resintering to 2.50mm, that is, obtain the copper-based bimetal bearing material of antifriction.
Resulting materials are subjected to the frictional wear experiment under oil-free lubrication in HDM-10 type end sides friction wear testing machine, turned Speed is arranged to 735r/min, and experiment load is 120kg, and upper sample material is the 40Cr that hardness is 52HRC.Frictional wear experiment Afterwards, coefficient of friction 0.15, Wear track depth 0.012mm.
Embodiment 2
The copper-based bimetal bearing material of the present embodiment antifriction and preparation method, same as Example 1, its acid bronze alloy antifriction The composition of each raw material of layer by mass percentage is shown in Table 2:
Table 2
Raw material Nickel Tin Bismuth Phosphorus Molybdenum disulfide Graphite Copper
Wt (%) 1 8 4 0.4 2 3 81.6
Using the friction test operating mode in embodiment 1, after the sample progress friction-wear test of the present embodiment, friction system Number is 0.12, Wear track depth 0.015mm.
Embodiment 3
The copper-based bimetal bearing material of the present embodiment antifriction and preparation method, same as Example 1, its acid bronze alloy antifriction The composition of each raw material of layer by mass percentage is shown in Table 3:
Table 3
Raw material Nickel Tin Bismuth Phosphorus Molybdenum disulfide Graphite Copper
Wt (%) 1 6 5 0.3 0.5 4 83.2
Using friction test condition described in embodiment 1, after the sample progress frictional wear experiment of the present embodiment, friction Coefficient is 0.10, Wear track depth 0.018mm.
Each Case Experiments On A result of table 4
Embodiment Coefficient of friction Wear track depth mm
Embodiment 1 0.15 0.012
Embodiment 2 0.12 0.015
Embodiment 3 0.10 0.018
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (5)

  1. A kind of 1. copper-based bimetal bearing material of antifriction, it is characterised in that:It is using steel plate as matrix, in surface of steel plate formed with copper Based alloy antifriction layer;The composition of each raw material of the acid bronze alloy antifriction layer by mass percentage is:
    Nickel 1~3%, tin 5~10%, bismuth 1~8%, molybdenum disulfide 0.5~10%, phosphorus 0.1~0.5%, graphite 1~10%, copper 75~90%;
    The acid bronze alloy antifriction layer is that have the molybdenum disulfide powder of copper coating, surface by copper-Sn-Bi atomized powder, surface After the powdered graphite of copper coating and the mixing of other constituent elements, surface of steel plate is laid on, then fired form;
    The copper-Sn-Bi atomized powder is obtained by the copper in raw material, tin and the blended melting of bismuth, atomization;
    It is to be formed by the molybdenum disulfide in raw material through chemical plating that the surface, which has the molybdenum disulfide powder of copper coating,;
    It is to be formed by the graphite in raw material through chemical plating that the surface, which has the powdered graphite of copper coating,.
  2. 2. the copper-based bimetal bearing material of antifriction according to claim 1, it is characterised in that:
    In having the molybdenum disulfide powder of copper coating on the surface, the mass percent of surface copper accounts for the 25% of gross mass;
    In having the powdered graphite of copper coating on the surface, the mass percent of surface copper accounts for the 25% of gross mass.
  3. 3. the preparation method of the copper-based bimetal bearing material of antifriction described in any one, its feature exist in a kind of claim 1~2 In comprising the following steps:
    (1) each raw material is subjected to dispensing according to mass percent;
    (2) copper coating is formed in molybdenum disulfide powder and powdered graphite surface by the method for chemical plating respectively;
    (3) copper, tin, bismuth are sequentially added in mid-frequency melting furnace, melting obtains molten metal;Molten metal is atomized, forms mist Change slurry;Atomization slurry is deposited, dried, after screening, obtains copper-Sn-Bi atomized powder of 40~150 μm of granularity;
    (4) by the copper-molybdenum disulfide powder of Sn-Bi atomized powder, surface with copper coating, graphite powder of the surface with copper coating Behind end and the mixing of other constituent elements, uniform ground is laid on copper plated steel surface, 0.5~3mm of laying depth;
    (5) steel plate after mixed powder will be laid to pass through just burning, breaking down, resintering, roll again, i.e., subtracted in surface of steel plate formed with acid bronze alloy Rub layer, obtains the copper-based bimetal bearing material of antifriction.
  4. 4. preparation method according to claim 3, it is characterised in that step (5) concretely comprise the following steps:
    Just burn:Steel plate after laying mixed powder is subjected to once sintered, sintering temperature 800~850 in ammonolysis craft protective atmosphere DEG C, it is incubated 10~30min;
    Breaking down:Steel plate after first burn is subjected to rolling smoothing;
    Resintering:Steel plate after breaking down is subjected to double sintering, 800~850 DEG C of sintering temperature, insulation 10 in ammonolysis craft protective atmosphere ~30min;
    Roll again:Steel plate after resintering is subjected to finish rolling, that is, obtains the copper-based bimetal bearing material of antifriction.
  5. 5. preparation method according to claim 3, it is characterised in that step (2) chemical plating concretely comprises the following steps:
    (21) it is sensitized:It is all the protochloride that 50~75 μm of molybdenum disulfide powder and powdered graphite are respectively put into 5wt% by granularity In tin acid solution, 3~5min of sensitized treatment is carried out, strong stirring is imposed in activation process;
    (22) activate:Molybdenum disulfide powder after sensitization and powdered graphite are respectively put into PdCl2And AgNO3Mixed solution in, enter Row 3~5min of activation process, wherein PdCl2Concentration be 1~3wt%, AgNO3Concentration be 1~3wt%, applied in activation process With strong stirring;
    (23) coating is formed:Molybdenum disulfide powder after activation and powdered graphite are separately added into CuSO4·5H2O as main salt, HCHO is as reducing agent, C4H4KNa·4H2O stirs as in the chemical plating fluid of complexing agent, adds NaOH solution regulation pH to exist Between 10~13, copper facing proceeds by, and is sufficiently stirred, and to solution turned clear, i.e., forms copper in graphite and molybdenum disulfide surface Coating;
    The formula of the chemical plating fluid is:CuSO4·5H2O 10~20g/L, C4H4KNa·4H2O 35~50g/L, HCHO 30 ~40g/L;PH=10~13,15~35 DEG C of temperature.
CN201611146786.3A 2016-12-13 2016-12-13 A kind of copper-based bimetal bearing material of antifriction and preparation method thereof Active CN106756214B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611146786.3A CN106756214B (en) 2016-12-13 2016-12-13 A kind of copper-based bimetal bearing material of antifriction and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611146786.3A CN106756214B (en) 2016-12-13 2016-12-13 A kind of copper-based bimetal bearing material of antifriction and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106756214A CN106756214A (en) 2017-05-31
CN106756214B true CN106756214B (en) 2018-04-10

Family

ID=58876492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611146786.3A Active CN106756214B (en) 2016-12-13 2016-12-13 A kind of copper-based bimetal bearing material of antifriction and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106756214B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107598173B (en) * 2017-09-01 2021-09-14 浙江长盛滑动轴承股份有限公司 Bearing blank and method for manufacturing same
CN108441744B (en) * 2018-02-06 2020-04-21 湘潭大学 Self-lubricating antifriction wear-resistant alloy material and preparation method thereof
CN108326316A (en) * 2018-03-22 2018-07-27 无锡神意模具新材料有限公司 A kind of leadless copper base bimetal wear resistant material and preparation method thereof
CN109676130A (en) * 2019-01-24 2019-04-26 西安交通大学 A kind of preparation method of the modified copper-base graphite wearable hydraulic plunger pump cylinder body of copper
CN110041699B (en) * 2019-04-30 2021-05-14 荣成远海滑动轴承有限公司 Composite material for sliding bearing, sliding bearing and preparation method thereof
CN112387975A (en) * 2020-11-27 2021-02-23 合肥工业大学 Lead-free copper-based self-lubricating composite bearing material and preparation method thereof
CN112725656A (en) * 2021-01-19 2021-04-30 中国科学院兰州化学物理研究所 Plunger hole lining material for bimetallic hydraulic pump motor and application thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090092517A1 (en) * 2005-07-28 2009-04-09 Yoshiharu Kosaka Copper Alloy Extruded Material and Its Manufacturing Method
JP4842283B2 (en) * 2006-01-30 2011-12-21 株式会社小松製作所 Iron-based sintered multi-layer wound bush, manufacturing method thereof and work machine coupling device
CN101576118B (en) * 2009-06-15 2011-09-28 合肥工业大学 Unleaded Cu-based sliding bearing material and preparation method thereof
CN101649858B (en) * 2009-08-20 2011-05-18 浙江中达轴承有限公司 Steel-based copper alloy dual-metal sliding bearing and preparation method thereof
JP5684977B2 (en) * 2009-08-31 2015-03-18 株式会社ダイヤメット Cu-based sintered sliding member
CN101845568A (en) * 2010-05-12 2010-09-29 海安县鹰球集团有限公司 Oil impregnated bearing of powder metallurgy with ultra-long service life and manufacturing method thereof
CN102151833A (en) * 2011-03-15 2011-08-17 合肥工业大学 High-performance environmentally-friendly copper-bismuth dual-metal bearing material and manufacturing method thereof
CN102506074A (en) * 2011-10-19 2012-06-20 台州科锦轴承有限公司 Oil-bearing copper-based powder metallurgy gasket for self-lubricating rod end joint bearing, preparation method and self-lubricating rod end joint bearing
CN103555989B (en) * 2013-10-22 2016-02-24 中南大学 A kind of copper-base powder metallurgy self-lubricating abrasion-proof material and preparation technology thereof
CN105665695B (en) * 2014-11-18 2017-10-17 中国科学院兰州化学物理研究所 A kind of copper-based wear and shock-resistant double metallic composite material and preparation method thereof

Also Published As

Publication number Publication date
CN106756214A (en) 2017-05-31

Similar Documents

Publication Publication Date Title
CN106756214B (en) A kind of copper-based bimetal bearing material of antifriction and preparation method thereof
EP2185303B1 (en) Wear resistant lead free alloy bushing and method of making
US1986197A (en) Metallic composition
JP6444379B2 (en) Copper alloy, use of copper alloy, bearing having copper alloy, and method of manufacturing bearing made of copper alloy
CN101760662B (en) Pb free copper alloy sliding material
CN105458275B (en) A kind of manufacture method of the alloy powder of powder used in metallurgy copper and tin 10
CN101576118B (en) Unleaded Cu-based sliding bearing material and preparation method thereof
CN101871058A (en) Metal-based self-lubricating composite material and preparation method thereof
EP2261397A1 (en) Method of producing a metal matrix compound material
CN108326316A (en) A kind of leadless copper base bimetal wear resistant material and preparation method thereof
DE112010003559T5 (en) Powder for thermal spraying
CN107586989B (en) A kind of copper base high temperature self lubricating composite material
CN103394688A (en) Heatproof anti-wear self-lubrication material and preparation method thereof
CN106795590A (en) The manufacture method of Cu bases sintered bearing and Cu base sintered bearings
CN107076205A (en) Sliding bearing or one part, its manufacture method and CuCrZr alloys as material for sliding bearing application
CN106544542B (en) A kind of unleaded Cu-based sliding bearing material and preparation method thereof
CN104589726B (en) Multiphase dual-scale structural aluminum-tin based composite bearing bush strip and preparation method thereof
CN100408230C (en) Method for preparing solid self-lubricating material
KR20140049517A (en) Process for producing a lead-free sliding bearing material
CN107282932A (en) A kind of Al2O3The preparation method of dispersion-strengthened Cu base oil containing bearing
JP3842580B2 (en) Metal particle composition for alloy formation
CN101638735B (en) Brass composite powder and preparation method thereof
CN112387975A (en) Lead-free copper-based self-lubricating composite bearing material and preparation method thereof
JPWO2011132703A1 (en) Copper alloy for sliding material
Varol et al. Enhancement of electrical and thermal conductivity of low-cost novel Cu–Ag alloys prepared by hot-pressing and electroless plating from recycled electrolytic copper powders

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant